want to bring in joe johns. he's also working his sources. what are you hearing, joe? >> well, we've got the fbi, the alcohol, tobacco, firearms bureau and others converging on the scene and we're told there are about five different local agencies surrounding the woods there looking for that one shooter who apparently has not been identified. as ed reported, this sounds very different, wolf, from the types of situations we've seen aurora, colorado, newtown, connecticut, and other places where one individual went in indiscriminately and started shooting. this appears to be an altercation between two people in a school setting which makes it sound like more like the things we've seen at public schools and major metropolitan areas and some other universities where police have to start asking questions, was it drug-related, was it gang-related, was this a score settling of any type? these are the types of questions. and congresswoman sheila jackson lee of texas who represents this area, harris county, texas, was asked that question and sort of restated it on air a while ago but we dou